Indoor Positioning with GPS-compatible Signals
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Two novel indoor positioning methods with GPS compatible signals, Doppler positioning (pose estimation) with a moving receiver antenna and carrier-phase difference (CPD) positioning with a proximate multi-channel pseudolite (PMC-PL), are proposed. The Doppler positioning method determines the receiver's position by using the Doppler shift produced by moving a receiver antenna under the use of an indoor GPS transmitter. This method is extended to achieve the positioning in real-time while the receiver platform is moving, and estimate receiver's orientation with two or more transmitters. On the ...
Two novel indoor positioning methods with GPS compatible signals, Doppler positioning (pose estimation) with a moving receiver antenna and carrier-phase difference (CPD) positioning with a proximate multi-channel pseudolite (PMC-PL), are proposed. The Doppler positioning method determines the receiver's position by using the Doppler shift produced by moving a receiver antenna under the use of an indoor GPS transmitter. This method is extended to achieve the positioning in real-time while the receiver platform is moving, and estimate receiver's orientation with two or more transmitters. On the other hand, the CPD positioning method with a PMC-PL determines the receiver's position by using the phase differences between carrier waves transmitted from proximately-located pseudolite antennas (at the intervals of 95 mm). The experimental results show that these two methods can achieve the positioning accuracy less than one meter.
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